Question

What is the slope of the line between (-4,4) and (-1-2)?
please help i have little time
I know this is easy, but I did it and the answer is not one of the choices :(
I got -3,
but the choices are: 1 ,2, -2, or -1.

Answer 1

@jdoe0001

Answer 2

show your work ...

Answer 3

ok

Answer 4

if youre trying the formula, then you are most likely like me and have placed something in the wrong spot

Answer 5

(-4,4) will be (x1,y1) (-1,-2) will be (x2,y2)

Answer 6

then it will be: -2-4 over -1- (-4) = -6 over 3 = -3

Answer 7

i do a vertical method, subtracting down the columns

(-4,4)
-(-1-2)
-------
(-3,6) , now slope is defined as y/x

6/-3

Answer 8

wait what.. i did it so wrong

Answer 9

you just subtract?

Answer 10

that's not how we were shown to do it so i dont think i could do it that way..

Answer 11

my method is to stack one point on top of the other, and subtract down the columns

Answer 12

that's not the right way to do it though..

Answer 13

it is the right way to do it ...

Answer 14

but i usually get it right.. how come this time something went wrong

Answer 15

no its not

Answer 16

look how i did it ^^

Answer 17

\[\frac{ -2-4 }{ -1-(-4) } - \frac{ -6 }{3 } = -2\] ohhhhh

Answer 18

i just put -6 divided by 3 = -3, instead of -2!!!!!!!!!

Answer 19

ok that's the stupidest mistake ever

Answer 20

take 2 points: (xo,yo) and (x1, y1)

stack them and subtract (its just a method to organize the information)

(xo,yo)
-(x1, y1)
---------
xo-x1, yo-y1 , you still get the same information; now slope is defined as y/x



yo - y1
-------
xo - x1

Answer 21

i just waste 5 mins

Answer 22

since i tend to place the wrong value into the wrong places .... i organize the data in a more convenient manner that is harder to mess it up

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